Rotatable shelf attachment



FIG. 1 is a top right front perspective view of a rotatable shelf attachment showing my new design;

FIG. 2 is a top right rear perspective view thereof;

FIG. 3 is a top left rear perspective view thereof;

FIG. 4 is a top left front perspective view thereof;

FIG. 5 is a bottom right front perspective view thereof;

FIG. 6 is a bottom right rear perspective view thereof;

FIG. 7 is a bottom left rear perspective view thereof; and,

FIG. 8 is a bottom left front perspective view thereof. 

CLAIM We claim, the ornamental design for a rotatable shelf attachment, as shown and described. 